package de.dopichaj.labrador.inex.compare;


import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.xml.sax.Attributes;
import org.xml.sax.helpers.DefaultHandler;

public final class SubmissionHandler extends DefaultHandler {
    
    private String file;
    private String xPath;
    private double score;

    private StringBuilder content = new StringBuilder();
    
    private Map<Integer, List<InexHit>> resultMap =
        new HashMap<Integer, List<InexHit>>();
    private List<InexHit> currentResultList;
    
    @Override
    public void startElement(String uri, String localName, String qName,
        Attributes attributes) {
        
        if (qName.equals("topic")) {
            
            final String topicId = attributes.getValue("topic-id");
            
            currentResultList = new ArrayList<InexHit>();
            resultMap.put(Integer.valueOf(topicId), currentResultList);
            
        } else {
            content = new StringBuilder();
        }
    }

    @Override
    public void endElement(String uri, String localName, String qName) {
        
        if (qName.equals("file")) {
            file = content.toString();
        } else if (qName.equals("path")) {
            xPath = content.toString();
        } else if (qName.equals("rsv")) {
            score = Double.parseDouble(content.toString());
        } else if (qName.equals("result")) {
            currentResultList.add(new InexHit(file, xPath, score));
        }
    }

    @Override
    public void characters(char[] ch, int start, int length) {
        content.append(new String(ch, start, length));
    }

    /**
     * Get result map with a mapping from the topic ID to an ordered list of
     * hits. Should only be called after parsing is finished.
     */
    public Map<Integer, List<InexHit>> getResultMap() {
        return resultMap;
    }
}
/*
Copyright (c) 2007 Philipp Dopichaj

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/